#1F267A#1F267A

#1F267A is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.5% C 0.140 H 272.0°. Best body text is #FFFFFF at 12.99:1 contrast (WCAG AA passes).

Color values

HEX	#1F267A
RGB	rgb(31, 38, 122)
HSL	hsl(235, 59%, 30%)
HSV	hsv(235, 75%, 48%)
CMYK	cmyk(74.6%, 68.9%, 0%, 52.2%)
CIE-LAB	lab(20.37, 27.66, -48.57)
CIE-LCH	lch(20.37, 55.89, 299.66°)
OKLab	oklab(32.48% 0.005 -0.1404)
OKLCH	oklch(32.48% 0.14 272)
XYZ	xyz(4.7699, 3.0822, 18.7521)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F267A #7A731F

analogous

#1F537A #1F267A #461F7A

triadic

#1F267A #7A1F26 #267A1F

tetradic

#1F267A #7A1F53 #7A731F #1F7A46

square

#1F267A #7A1F53 #7A731F #1F7A46

split-complementary

#1F267A #7A461F #537A1F

monochromatic

#060818 #131749 #1F267A #2B35AB #444FCF

Accessibility & contrast

On white

12.99

#1F267A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1F267A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F267A

12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F267A	#FFFFFF	#000000	##FFFFFF
##1F267A	1.00	12.99	1.62	12.99
#FFFFFF	12.99	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357D

Deuteranopia (green-blind)

#002D78

Tritanopia (blue-blind)

#003C4C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f267a;
/* rgb */ color: rgb(31, 38, 122);
/* oklch */ color: oklch(32.5% 0.140 272.0);

Tailwind

colors: {
  custom: {
    50: '#6960a1',
    500: '#1f267a',
    950: '#000000',
  },
}

SCSS

$custom: #1f267a;
$custom-light: #6960a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f267a",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 122
  },
  "hsl": {
    "h": 235.385,
    "s": 59.477,
    "l": 30
  },
  "oklch": {
    "l": 0.32478,
    "c": 0.14047,
    "h": 272
  },
  "luminance": 0.03083
}

Semantic roles & 50–950 ramp

primary

#1F267A

secondary

#ADA647

accent

#D745E3

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1F267A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →